Question: What is the difference between GET and POST methods in PHP ? When would you use each? How can you prevent SQL injection attacks in

What is the difference between "GET" and "POST" methods in PHP? When would you use each?
How can you prevent SQL injection attacks in PHP?
Explain the concept of object-oriented programming (OOP) in PHP.
What is the purpose of the "try-catch" block in PHP? Give an example.
What are namespaces in PHP? Why are they useful?

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